from last night to today till 11am IST, I could not access stackoverflow site. It just displays nothing.I faced this problem before some days.. what is the problem?
EDIT:- Facing Same kind of problem again..
A very useful tool in cases like this is http://downforeveryoneorjustme.com/ which allows you to see if the site is accessible from at least one other place on the internet.
It works fine for me. Can you access the site through a proxy? Maybe it's your internet settings, or your ISP's that are affecting it.
Can you get to meta, Super User, and Server Fault?
What does traceroute to stackoverflow.com say?